Effects of RAN on eNOS, BKCa channel and ɑ1 adrenergic receptor protein expression. Values are mean ± standard deviation for 4 independent experiments. *P < 0.05. BKCa: large conductance Ca2+-activated K+ channel; C: control; eNOS: endothelial nitric oxide synthase; RAN: ranolazine 10−5 M.